Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1991-09-19
1994-02-22
Ivy, C. Warren
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514409, 514444, 514462, 514475, 544 70, 544230, 546 15, 546207, 548147, 548407, 5483007, 549332, 549551, 549554, 549563, 549 60, A61K 3140, A61K 31445, A61K 31335, C07D30302
Patent
active
052887227
ABSTRACT:
The present invention relates to a compound of the formula: ##STR1## wherein R.sup.1 is 2-methyl-1-propenyl group or isobutyl group; R.sup.2 and R.sup.3 are each hydrogen atom, an optionally substituted hydrocarbon residue or an optionally substituted acyl group or R.sup.2 and R.sup.3 may form a ring together with the adjacent nitrogen atom; and the bonding mark .about. represents an .alpha.-linkage or .beta.-linkage, or a salt thereof. The compound (I) of the present invention has, among others, angiogenesis inhibiting activity, cell-growth inhibiting activity and immune reaction inhibiting activity, thus being useful as medicines, etc.
REFERENCES:
J. A. DiPaolo, et al., Antibiotics Annual (1958-1959), pp. 541-546.
Journal of American Chem. Society, vol. 83, pp. 3096-3113 (1961).
The Journal of Antibiotics, vol. 41, pp. 999-1008 (1988).
Chemical Abstract, 106:176153y, 1987.
Fujita Takeshi
Kishimoto Shoji
Marui Shogo
Conlin David G.
Ivy C. Warren
Resnick David S.
Takeda Chemical Industries Ltd.
Trinh Ba K.
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